Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waxing Gibbous 99%

15:29

05:29

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:04, Set: 16:22, Transit: 11:43. Moon - Rise: 15:29, Set: 05:29. Civil Dark: 16:59 - 06:27. Nautical Dark: 17:40 - 05:46. Astro Dark: 18:20 - 05:06

Total Clouds (% Sky Obscured)

86
89
92
94
100
100
100
100
100
100
99
100
100
100
96
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

51
52
48
55
57
62
75
77
83
82
87
100
91
84
86
83
85
80
83
66
58
52
60
73

Medium Clouds (% Sky Obscured)

29
21
17
92
98
67
96
99
99
100
63
100
100
100
94
100
84
100
99
90
100
55
98
100

High Clouds (% Sky Obscured)

86
89
92
75
100
100
59
96
85
51
50
50
32
7
10
43
100
87
42
84
72
18
54
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
9
9
9
6
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
None
None
None
None
Light Rain

Precipitation Probability (%)

0
0
0
1
27
59
90
73
61
51
46
43
54
94
87
65
64
89
87
43
43
32
38
60

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.9
0.6
0.4
0.3
0.2
0
0.2
0.9
0.7
0.3
0
0.5
0.6
0
0
0
0
0.5

Wind Speed/Direction (mph)

19
19
18
16
17
17
18
18
17
15
14
14
15
16
14
14
13
13
13
13
15
16
16
14

Chance of Frost

Temperature (°C)

14
14
14
13
14
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
14
15
15
14

Feels Like (°C)

9
9
9
8
9
10
10
10
10
10
10
10
10
9
9
9
10
9
10
10
11
11
11
10

Dew Point (°C)

11
11
11
11
10
11
10
10
10
11
11
10
10
10
11
10
9
9
10
12
13
13
12
12

Relative Humidity (%)

82
83
82
84
79
82
76
76
76
80
79
76
76
82
86
83
77
77
84
92
89
89
83
84

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1007

Ozone (du)

266
264
264
264
264
266
264
264
263
263
262
262
264
267
267
268
268
270
271
272
272
272
272
270

Wednesday 5

Full Moon 100%

15:47

07:07

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:06, Set: 16:20, Transit: 11:43. Moon - Rise: 15:47, Set: 07:07. Civil Dark: 16:57 - 06:29. Nautical Dark: 17:38 - 05:48. Astro Dark: 18:19 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
100
100
100
100
92
100
93
97
93
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

36
4
25
6
36
28
14
32
27
24
13
31
39
44
42
33
35
35
28
31
25
14
15
8

Medium Clouds (% Sky Obscured)

91
98
100
100
93
94
41
43
91
100
100
80
66
63
66
71
85
81
91
68
82
59
46
51

High Clouds (% Sky Obscured)

85
100
59
70
100
100
93
100
100
99
41
64
100
75
80
57
100
100
100
100
100
100
100
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
38
29
32
9
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
13
14
14
13
13
13
13
12
10
10
9
11
12
11
10
9
9
8
8
9
8
9

Chance of Frost

Temperature (°C)

14
13
13
13
13
14
14
15
16
15
15
15
14
14
14
13
13
13
13
13
13
13
13
13

Feels Like (°C)

10
10
10
9
9
10
11
12
12
12
13
12
12
11
10
11
11
11
10
11
11
10
11
10

Dew Point (°C)

11
11
11
11
11
10
10
10
11
11
11
11
10
10
10
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

86
84
86
84
83
80
78
72
70
73
75
76
76
76
76
77
75
76
77
76
79
76
76
76

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

267
267
265
263
263
261
260
260
259
257
257
255
255
254
254
254
254
255
254
255
255
257
257
257

Thursday 6

Waning Gibbous 96%

16:13

08:47

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK

Sun - Rise: 07:08, Set: 16:18, Transit: 11:43. Moon - Rise: 16:13, Set: 08:47. Civil Dark: 16:56 - 06:31. Nautical Dark: 17:37 - 05:50. Astro Dark: 18:17 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
76
82
76
79
93
76
72
81
58
35
29
31

Low Clouds (% Sky Obscured)

23
20
11
16
18
21
29
44
51
22
21
27
47
70
62
55
54
67
68
55
40
22
20
18

Medium Clouds (% Sky Obscured)

38
72
68
85
37
32
37
29
34
96
31
97
76
82
76
70
30
9
26
20
14
3
3
3

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
63
65
7
0
3
65
3
3
60
45
35
29
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
9
14
3
1
3
1
0
0
0
0
0
0
0
0
4
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
7
6
7
8
8
8
7
6
7
7
7
8
8
9
9
8
7
7
6
5
5

Chance of Frost

Temperature (°C)

12
12
12
12
13
14
15
16
16
17
16
15
14
14
14
14
13
13
13
13
12
12
11
11

Feels Like (°C)

10
9
10
11
12
13
14
15
15
15
16
14
14
13
13
13
13
12
14
13
11
11
11
10

Dew Point (°C)

9
9
9
10
10
10
10
11
11
11
12
12
12
12
11
11
11
11
12
11
11
11
10
10

Relative Humidity (%)

80
80
81
83
80
75
72
71
69
68
75
80
83
84
82
83
87
90
93
92
93
93
93
93

Pressure (mb)

1005
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007

Ozone (du)

258
260
262
262
264
264
263
264
264
264
264
265
266
266
266
266
264
262
262
261
262
264
265
267

Friday 7

Waning Gibbous 90%

16:53

10:22

05 OK
06 OK
07 OK
08 Good
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:10, Set: 16:17, Transit: 11:43. Moon - Rise: 16:53, Set: 10:22. Civil Dark: 16:54 - 06:33. Nautical Dark: 17:35 - 05:51. Astro Dark: 18:16 - 05:11

Total Clouds (% Sky Obscured)

28
31
28
8
17
40
36
47
25
33
44
70
78
85
93
100
100
100
100
97
65
56
60
55

Low Clouds (% Sky Obscured)

16
12
9
4
14
23
30
26
22
21
28
42
46
53
62
75
83
87
95
95
65
56
60
55

Medium Clouds (% Sky Obscured)

3
0
0
0
3
0
0
3
3
0
7
12
20
24
35
43
99
98
54
53
56
56
44
30

High Clouds (% Sky Obscured)

17
20
15
1
1
4
4
11
2
4
4
27
43
52
57
72
63
50
45
27
0
0
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
3
11
13
17
9
2
0
0
1
0
8
15
16
19
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
6
7
7
8
8
7
6
6
6
7
7
7
8
7
8
8
8
7
6
6

Chance of Frost

Temperature (°C)

11
10
10
10
11
12
13
14
14
14
14
13
12
12
11
11
12
12
11
11
11
11
10
10

Feels Like (°C)

9
10
8
10
12
13
13
14
13
14
13
12
11
11
10
11
11
11
10
10
10
10
11
10

Dew Point (°C)

10
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9

Relative Humidity (%)

93
95
95
95
91
86
80
78
75
75
79
86
86
88
90
90
90
92
92
93
91
95
95
95

Pressure (mb)

1007
1007
1008
1008
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012

Ozone (du)

268
268
270
272
275
277
278
279
281
281
281
282
283
286
286
286
288
291
293
294
294
292
291
286

Saturday 8

Waning Gibbous 82%

17:54

11:40

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:12, Set: 16:15, Transit: 11:43. Moon - Rise: 17:54, Set: 11:40. Civil Dark: 16:52 - 06:34. Nautical Dark: 17:34 - 05:53. Astro Dark: 18:14 - 05:13

Total Clouds (% Sky Obscured)

45
43
41
60
68
73
80
74
68
66
67
62
57
46
41
37
30
29
28
43
59
73
70
73

Low Clouds (% Sky Obscured)

45
43
41
49
58
63
70
60
51
42
39
39
39
27
28
28
27
26
24
27
29
31
36
43

Medium Clouds (% Sky Obscured)

13
8
6
3
3
3
3
1
4
5
4
2
0
0
0
0
0
1
1
16
30
38
40
45

High Clouds (% Sky Obscured)

0
2
5
20
5
24
45
28
19
25
30
25
20
46
41
37
30
29
28
43
59
68
60
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

13
8
5
1
0
0
0
0
0
0
0
0
0
1
2
0
1
2
0
1
2
1
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
4
4
4
4
5
5
4
4
4
3
2
3
2
2
2
2
2
3
3
3
3

Chance of Frost

Temperature (°C)

10
10
10
10
11
11
12
13
13
13
13
13
12
11
10
10
9
9
9
9
8
8
8
8

Feels Like (°C)

10
10
10
10
9
10
11
12
12
12
12
12
11
10
9
9
9
9
9
9
8
8
8
7

Dew Point (°C)

9
9
9
9
9
9
10
11
11
11
11
11
10
10
9
8
8
8
8
7
7
7
7
7

Relative Humidity (%)

95
95
95
93
90
87
87
86
86
87
87
89
92
91
93
91
91
91
91
90
91
91
91
91

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1017
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

287
288
288
288
289
288
287
286
284
282
281
280
277
275
274
273
272
271
270
268
268
268
267
270

Sunday 9

Waning Gibbous 72%

19:13

12:34

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:14, Set: 16:13, Transit: 11:43. Moon - Rise: 19:13, Set: 12:34. Civil Dark: 16:51 - 06:36. Nautical Dark: 17:33 - 05:54. Astro Dark: 18:13 - 05:14

Total Clouds (% Sky Obscured)

79
79
80
81
86
93
94
90
94
96
94
92
92
94
95
95
83
75
72
61
55
49
68
80

Low Clouds (% Sky Obscured)

52
52
55
55
59
60
62
54
45
21
15
12
12
11
21
25
33
45
59
57
55
49
60
68

Medium Clouds (% Sky Obscured)

65
73
70
68
75
82
74
70
70
70
70
75
75
68
61
54
34
16
1
0
0
0
10
14

High Clouds (% Sky Obscured)

46
37
35
35
40
45
45
45
45
45
45
40
40
40
35
30
27
27
23
22
27
32
28
27

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
4
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
1
0
0
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
5
5
6
7
8
8
8
8
7
5
4
5
5
6
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

8
8
8
8
8
9
10
11
11
11
11
10
10
9
9
8
8
8
7
7
7
7
7
7

Feels Like (°C)

7
7
7
7
6
7
7
8
9
9
9
8
8
8
6
6
6
6
6
6
6
6
6
6

Dew Point (°C)

7
7
7
6
6
6
6
7
7
7
7
7
6
6
6
6
6
6
6
6
7
6
6
7

Relative Humidity (%)

95
95
91
87
85
81
77
75
75
75
76
77
80
82
85
87
90
91
91
93
94
94
94
96

Pressure (mb)

1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

273
275
276
276
277
275
274
273
272
270
269
272
275
278
276
273
271
269
267
265
264
263
261
261

Monday 10

Waning Gibbous 69%

20:41

13:08

Sun - Rise: 07:15, Set: 16:12, Transit: 11:44. Moon - Rise: 20:41, Set: 13:08. Civil Dark: 16:49 - 06:38. Nautical Dark: 17:31 - 05:56. Astro Dark: 18:12 - 05:16

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 04/11/25 05:22:15. Forecast: 04/11/25 to 10/11/25. Timezone: UTC+0.00